What irony can be found in the Queen's decision to disguise herself as an old hag in the novel, Fairest of All: A Tale of the Wicked Queen?

When the Queen decides to disguise her appearance, she morphs into an old, crotchety hag, and everything from her voice to her posture changes as she is transformed. After Snow White is cursed, the Queen realizes with horror that there is no antidote to her disguise. Ironically, she will be forced to live as the ugly hag for as long as she lives.